263840642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{25561}}^1$

素因数の和:25973

約数の個数: 16

約数和(自身を含む): 427294392

約数和(自身を除く): 163453750

約数列:

[1, 2, 13, 26, 397, 794, 5161, 10322, 25561, 51122, 332293, 664586, 10147717, 20295434, 131920321, 263840642]

約数ペア:

[(1, 263840642), (2, 131920321), (13, 20295434), (26, 10147717), (397, 664586), (794, 332293), (5161, 51122), (10322, 25561)]